People who disagree with the subjective viewpoint of an author also have a conflicting viewpoint. When an author writes an informational text, he or she must first communicate to the reader his or her purpose in writing the text. Some authors state their viewpoint and purpose very clearly.
your best of on where you started, where you are familiar with the surroundings
these events happened in the fable because the two mouses both feel good at their home place. while the country mouse enjoys his time with corn and roots, the city mouse is better off with is dangerous surroundings and the food there.
In several words, listening to any specific genre of music will not affect your intelligence. Sometimes one's intelligence will influence what kind of music they listen to, but that's about where the correlation ends, and it still differs from person to person. Try rap music.